Macewen's sign or Macewen sign (/ məˈkjuːən / mə-KEW-ən) is a sign used to help to diagnose hydrocephalus [1] (accumulation of excess cerebrospinal fluid) and brain abscesses. Tapping (percussion) the skull near the junction of the frontal, temporal, and parietal bones will produce cracked pot sound.

2023年7月24日 · Macewen sign is an auditory sign that resembles the sound of percussing a cracked pot when the examiner percusses the fontanelle; hence it was also termed the “cracked pot” sign. However, it is worth noting that excessive crying may also produce a bulging fontanelle.

2023年8月23日 · A “cracked pot” sound on percussion of the skull is the so-called Macewen sign. Patients may present with delayed growth and sexual maturity, high-pitched cry, irritability or drowsiness or both, possible vomiting and seizures.

Macewen sign: A sign to detect hydrocephalus and brain abscess. Percussion (tapping) on the skull at a particular spot (near the junction of the frontal, temporal and parietal bones) yields an unusually resonant sound in the presence of hydrocephalus or a brain abscess.

2016年12月22日 · “The cracked pot sound,” Macewen’s sign, was originally described by Macewen in his book, Pyogenic infective diseases of the brain and spinal cord in 1893. The method of elicitation of differential cranial percussion as an aid to cerebral diagnosis...

The sign was described by Sir William Macewen. The test is performed by percussing on the skull of the patient and a cracked pot sound can be heard to the naked ears of the examiner brought closed to the skull.

The classical description of Macewen will be first summarized, the later study of the subject by Wilcox will be reviewed, and an endeavor will be made further to establish the value of the sign in physical diagnosis. Macewen of Edinburgh first described the sign.

1987年6月1日 · It is a valuable sign in connection with tumors of the cerebellum pressing on the veins of Galen, and should receive more attention in the future than it has in the past [3].

Macewen sign - percussion of the skull gives a cracked-pot sound in cases of hydrocephalus. Synonym(s): Macewen symptom

Macewen's sign is a sign used to help to diagnose hydrocephalus (accumulation of excess cerebrospinal fluid) and brain abscesses. Tapping (percussion) the skull near the junction of the frontal, temporal and parietal bones will produce a stronger resonant sound when either hydrocephalus or a brain abscess are present.